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Updated: 26 min 41 sec ago

Useful Tips to Improve Emulation Performance in RetroPie

Thu, 2018-09-13 21:43
RetroPie users can run into a myriad of problems. Here are some of the most common problems and fixes that will help to improve Retropie performance.

Create and publish video with open source Kaltura editor

Thu, 2018-09-13 20:28
Video has long been an integral part of education—back in the day, movies shown on huge reel-to-reel projectors were wheeled into classrooms to supplement teaching.read more

How to collaborate on docs stored on your WebDAV server with ONLYOFFICE

Thu, 2018-09-13 19:14
This guide explains how to connect your WebDAV server to ONLYOFFICE and edit and collaborate on documents online. WebDAV stands for Web-based Distributed Authoring and Versioning and is a set of extensions to the HTTP protocol that allows users to directly edit files on the Apache server so that they do not need to be downloaded/uploaded via FTP.

Chromebooks gain faff-free access to Windows file shares sans Samba

Thu, 2018-09-13 18:00
SMB built in from ChromeOS 70. At its best without passwords. OopsGoogle’s Chrome OS tanks crept a little further along Microsoft’s manicured Enterprise lawns with hints that Windows file share support will arrive out-of-the-box in an upcoming version of Chrome OS.…

Tabs or spaces? Spaces, obviously, but how many?

Thu, 2018-09-13 16:45
Depending on who you ask, it's either the silliest or the most important question when it comes to coding style: tabs or spaces?When we asked you, our readers, the question last summer, spaces came out on top. That said, it's a nuanced question where things like programming language, editor, and project style all should play a role.read more

Support for a LoRaWAN Subsystem

Thu, 2018-09-13 15:31
Sometimes kernel developers find themselves competing with each other to gettheir version of a particular feature into the kernel. But sometimesdevelopers discover they've been working along very similar lines, and theonly reason they hadn't been working together was that they just didn't knoweach other existed.

Learn Vim with these Great Free Books

Thu, 2018-09-13 14:17
When getting started with Vim, users face a steep learning curve. It’s true the software is simple. It’s simple in the sense that its minimal interface focuses the user on their main task. But Vim is very powerful. To learn how to use Vim and master that power, we recommend the following free books. Each book is released under an open source license, just like Vim.

How to Install MariaDB on Debian 9

Thu, 2018-09-13 11:48
In this tutorial we will show you two different methods on how to install MariaDB on your Debian 9 machine. The first method will walk you through the steps necessary to install MariaDB from the Debian repositories while the second one will teach you how to install the latest version of MariaDB from the official MariaDB repositories.

RK3399 based 96Boards SBC starts at $99

Thu, 2018-09-13 10:33
Vamrs has begun shipping the “Rock960” [he]#8212[/he] the first 96Boards SBC based on the hexa-core Rockchip RK3399. The community-backed SBC sells for $99 (2GB/16GB) or $139 (4GB/32GB). Shortly before Shenzhen-based Vamrs Limited launched a Rockchip RK3399 Sapphire SBC in Nov. 2017, the company announced a similarly open-spec Rock960 SBC that uses the same Rockchip RK3399 [[he]#8230[/he]]

iconv and illegal input sequences

Thu, 2018-09-13 09:19
Character encoding is a big topic and this post isn't going to cover it all. In fact, I'm only going to deal with one particular problem — what to do when you're converting a file with the iconv utility and you get a error message .......How to get around the "illegal input sequence" roadblock.

Red Hat Ansible Tower 3.3 Adds Improved UI, Scalability Features

Thu, 2018-09-13 08:05
The Ansible Tower IT automation platform is being extended by Red Hat with new scalability improvements and enhanced customization options.

How to Change Your Ubuntu’s Default Applications

Thu, 2018-09-13 06:50
We all have our preferences when it comes to the application we want to use for opening and working with a certain file type. In Ubuntu, you can change your default applications both through the command line and the graphical user interface through the simple steps described in this tutorial.

5 examples of Prometheus monitoring success

Thu, 2018-09-13 05:36
Prometheus is an open source monitoring and alerting toolkit for containers and microservices. The project is a hit with lots of different organizations regardless of their size or industrial sector. The toolkit is highly customizable and designed to deliver rich metrics without creating a drag on system performance. Based on the organizations that have adopted it, Prometheus has become the mainstream, open source monitoring tool of choice for those that lean heavily on containers and microservices.read more

How to Setup Apache Subversion with HTTPS Letsencrypt on CentOS 7

Thu, 2018-09-13 04:22
Apache Subversion or SVN is open source versioning and revision control software. In this article, we show you how to set up Apache Subversion on the latest CentOS 7 server. We install and configure the svn software with Apache as web server, secure it with Let's encrypt and activate "Basic Authentication" for users.

Top 10 Ubuntu Network Tools

Thu, 2018-09-13 03:07
Due to more and more network access needed in most of the distributed applications today, the restrictions which need to be applied for network access and monitoring has only increased. In this lesson, we will study the ten most popular Network Tools for Ubuntu OS which can be used to monitor network usage with visualization as well.

Injecting chaos experiments into security log pipelines

Thu, 2018-09-13 01:53
Security teams depend on high-quality logs for most preventative security efforts. Preventing an incident from occurring requires observable insight into where the failure might come from, and logs are one important source for such insights. When an incident occurs, organizations must be able to respond and contain them as quickly as possible. Logs are not only essential to find the source of a problem, but they also help identify appropriate countermeasures.read more

4 Practical Measures to Improve Election Security Now

Thu, 2018-09-13 00:39
I was able to visit the DEF CON Voting Village, where actual voting machines were being hacked. But more importantly, there were independent experts and state government voting officials that you could talk to about the voting process. States such as Colorado are making strides by moving to paper ballots, requiring risk-limiting audits, and...

How to install School tool on Ubuntu 18.04 LTS

Wed, 2018-09-12 23:24
SchoolTool is a free and open source suite of free administrative software for schools that can be used to create a simple turnkey student information system, including demographics, grade book, attendance, calendaring and reporting for primary and secondary schools.

How to build rpm packages

Wed, 2018-09-12 22:10
I have used rpm-based package managers to install software on Red Hat and Fedora Linux since I started using Linux more than 20 years ago. I have used the rpm program itself, yum, and DNF, which is a close descendant of yum, to install and update packages on my Linux hosts. The yum and DNF tools are wrappers around the rpm utility that provide additional functionality, such as the ability to find and install package dependencies.read more